VirtualKinematicParticle.h

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#ifndef VirtualKinematicParticle_H
#define VirtualKinematicParticle_H

#include "RecoVertex/KinematicFitPrimitives/interface/KinematicParticle.h"
#include "RecoVertex/KinematicFitPrimitives/interface/KinematicStatePropagator.h"
#include "RecoVertex/KinematicFitPrimitives/interface/ParticleKinematicLinearizedTrackStateFactory.h"

class VirtualKinematicParticle:public KinematicParticle
{
 public:

  VirtualKinematicParticle(const KinematicState& kineState,float& chiSquared,
                         float& degreesOfFr, KinematicConstraint * lastConstraint,
                     ReferenceCountingPointer<KinematicParticle> previousParticle,
                                           KinematicStatePropagator * pr);
 
 ~VirtualKinematicParticle() override;
 
  bool operator==(const KinematicParticle& other)const override;

  bool operator==(const ReferenceCountingPointer<KinematicParticle>& other) const override;

  bool operator!=(const KinematicParticle& other)const override;

 KinematicState stateAtPoint(const GlobalPoint& point)const override;
 
 RefCountedKinematicParticle refittedParticle(const KinematicState& state,
                               float chi2, float ndf, KinematicConstraint * cons = nullptr)const override;
                   
 RefCountedLinearizedTrackState particleLinearizedTrackState(const GlobalPoint& point)const override; 
                    
 private:
 
//propagator for kinematic states
 KinematicStatePropagator * propagator;  
 
//LinearizedTrackStateFactory  specific for this
//type of particle
 ParticleKinematicLinearizedTrackStateFactory linFactory;
};
#endif